// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

package main

import (
	"errors"
	"testing"
	"time"

	"github.com/aws/aws-sdk-go/service/iam"
	"github.com/aws/aws-sdk-go/service/iam/iamiface"
)

// Define a mock struct to use in unit tests
type mockIAMClient struct {
	iamiface.IAMAPI
}

func (m *mockIAMClient) DeleteAccountAlias(input *iam.DeleteAccountAliasInput) (*iam.DeleteAccountAliasOutput, error) {
	// Check that required inputs exist
	if input.AccountAlias == nil || *input.AccountAlias == "" {
		return nil, errors.New("DeleteAccountAliasInput.AccountAlias cannot be nil or an empty string")
	}

	resp := iam.DeleteAccountAliasOutput{}
	return &resp, nil
}

func TestDeleteAccountAlias(t *testing.T) {
	thisTime := time.Now()
	nowString := thisTime.Format("2006-01-02 15:04:05 Monday")
	t.Log("Starting unit test at " + nowString)

	// mock resource
	alias := "test-alias"

	mockSvc := &mockIAMClient{}

	err := RemoveAccountAlias(mockSvc, &alias)
	if err != nil {
		t.Fatal(err)
	}

	t.Log("Deleted account alias " + alias)
}
